61059729679 has 16 divisors (see below), whose sum is σ = 66459919680. Its totient is φ = 55760889600.

The previous prime is 61059729673. The next prime is 61059729701. The reversal of 61059729679 is 97692795016.

It is not a de Polignac number, because 61059729679 - 2²⁵ = 61026175247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61059729673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1714219 + ... + 1749475.

It is an arithmetic number, because the mean of its divisors is an integer number (4153744980).

Almost surely, 2^61059729679 is an apocalyptic number.

61059729679 is a deficient number, since it is larger than the sum of its proper divisors (5400190001).

61059729679 is a wasteful number, since it uses less digits than its factorization.

61059729679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36690.

The product of its (nonzero) digits is 12859560, while the sum is 61.

The spelling of 61059729679 in words is "sixty-one billion, fifty-nine million, seven hundred twenty-nine thousand, six hundred seventy-nine".